BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 159 39.7%
2 United States 154 38.4%
3 Germany 27 6.7%
4 Netherlands 16 4%
5 Korea, Republic of 12 3%
6 Israel 7 1.7%
7 Kenya 5 1.2%
8 Hong Kong 5 1.2%
9 Cote D'ivoire 5 1.2%
10 France 4 1%
11 Norway 2 0.5%
12 Switzerland 2 0.5%
13 India 1 0.2%
14 Canada 1 0.2%
15 Italy 1 0.2%